1, chrysanthemum 15g, medlar 30g, astragalus 20g and angelica 10g are soaked in water every day. The prescription has the effects of invigorating qi of Radix Astragali, nourishing blood of Radix Angelicae Sinensis, nourishing liver and kidney of Fructus Lycii, and improving eyesight. Chrysanthemum has the functions of clearing away heat and toxic materials, calming the liver and improving eyesight, and can achieve the effects of invigorating qi, nourishing blood and improving eyesight.

2. Soaking or decocting Radix Astragali, Fructus Jujubae, or Radix Angelicae Sinensis with water, invigorating qi and regulating blood, and making both qi and blood full, is also an effective method to dispel palace cold. At the same time, strengthen exercise and increase blood circulation. Angelica is the main tonic, Astragalus is the tonic, Lycium barbarum is the tonic, and Jujube is the tonic.